The 1997 Ardabil earthquake occurred on 28 February with a
moment magnitude
The moment magnitude scale (MMS; denoted explicitly with or Mwg, and generally implied with use of a single M for magnitude) is a measure of an earthquake's magnitude ("size" or strength) based on its seismic moment. was defined in a 1979 paper ...
of 6.1 and a maximum
Mercalli intensity of VIII (''Severe''). The
strike-slip earthquake
In geology, a fault is a planar fracture or discontinuity in a volume of rock across which there has been significant displacement as a result of rock-mass movements. Large faults within Earth's crust result from the action of plate tectonic f ...
occurred in northern
Iran
Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the nort ...
, near the city of
Ardabil
Ardabil (, ) is a city in northwestern Iran. It is in the Central District (Ardabil County), Central District of Ardabil County, Ardabil province, Ardabil province, Iran, serving as capital of the province, the county, and the district.
The ...
.
Background and tectonics
Ardabil and the
surrounding province which bears its name are agricultural lands, primarily populated by
Azeris
Azerbaijanis (; , ), Azeris (, ), or Azerbaijani Turks (, ) are a Turkic ethnic group living mainly in the Azerbaijan region of northwestern Iran and the Republic of Azerbaijan. They are predominantly Shia Muslims. They comprise the largest ...
. Two other earthquakes damaged northern Iran the month before, killing at least 79 people.
Damage and casualties
The earthquake occurred at 12:57
UTC
Coordinated Universal Time (UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones. UTC facilitates international communica ...
(4:27 p.m.
Iran Standard Time
Iran Standard Time (IRST) or Iran Time (IT) is the time zone used in Iran. Iran uses a UTC offset UTC+03:30. IRST is defined by the 52.5 degrees east meridian, the same meridian which defines the Iranian calendar and is the official meridian of ...
) and lasted for 15 seconds.
At least 1,100 people were killed, 2,600 injured, 36,000 homeless, 12,000 houses damaged or destroyed and 160,000 livestock killed in the
Ardabil
Ardabil (, ) is a city in northwestern Iran. It is in the Central District (Ardabil County), Central District of Ardabil County, Ardabil province, Ardabil province, Iran, serving as capital of the province, the county, and the district.
The ...
area of northwestern Iran. Severe damage was observed to roads, electrical power lines, communications and water distribution systems around Ardabil.
Hospitals and other medical buildings were overflowing with patients as a result of the earthquake. More than 83 villages experienced some form of damage.
Within the village of Villadareh, 85 corpses were recovered from the rubble. In Varania, another small village near the epicenter that had previously had a population of 85, all but 20 residents had perished.
Aftershocks
Roughly 350 aftershocks followed the main Ardabil earthquake. The largest one had a magnitude of 5.2 on the Richter scale.
Aid workers and rescuers approximate death toll as high as 3,000.
Aftermath and relief efforts
In the aftermath of the tremor, of snow fell, hampering rescue efforts. The Iranian government declared three days of mourning to honor victims.
Iranian president visited the damaged area on 4 March.
Rescue workers at the scene disputed the official government death toll, claiming it was as much as three times higher.
Nonetheless, head of the Iranian Branch of
Red Crescent
The organized International Red Cross and Red Crescent Movement is a humanitarian movement with approximately 16million volunteers, members, and staff worldwide. It was founded to protect human life and health, to ensure respect for all human ...
Seifollah Vahid Dastjerdi Seifollah Vahid Dastjerdi (1926–1999) was head of the Red Crescent Society of the Islamic Republic of Iran.
During political turmoil in Tehran following the 1987 Iranian pilgrim riots in Saudi Arabia, Seifollah Vahid Dastjerdi appeared on telev ...
was satisfied with the pace of relief work. More than 8,700 tents, 21,800 blankets, 15,300 heaters and lanterns, 2,000 bottles of baby formula and 80 tons of bread were given to the victims. Additionally, 60 ambulances, 127 trucks and vans and two helicopters transported victims, relief workers, and supplies to and from the affected region.
Air crash
On 3 March, a small aircraft on a relief mission crashed about 16 miles (25 km) northeast of Ardabil. Its wreckage was discovered the following day. There were four people on board the Falcon aircraft but no survivors. The crash was blamed on poor weather and heavy snowfall.
See also
*
1997 Bojnurd earthquake
The 1997 Bojnurd earthquake (also known as the Garmkhan earthquake) occurred on 4 February at 14:07 IRST in Iran. The epicenter of the 6.5 earthquake was in the Kopet Dag mountains of North Khorasan, near the Iran–Turkmenistan border, abou ...
– An earlier earthquake affecting Iran that same month
*
List of earthquakes in 1997
This is a list of earthquakes in 1997. Only earthquakes of magnitude 6 or above are included, unless they result in damage or casualties, or are notable for some other reason. All dates are listed according to UTC time. Maximum intensities are ind ...
*
List of earthquakes in Iran
Iran is one of the most seismically active countries in the world, being crossed by several major faults that cover at least 90% of the country. As a result, earthquakes in Iran occur often and are destructive.
Geology and history
The Irania ...
References
Further reading
*
External links
*
{{Portalbar, Iran
1997 Ardabil
Ardabil
Ardabil (, ) is a city in northwestern Iran. It is in the Central District (Ardabil County), Central District of Ardabil County, Ardabil province, Ardabil province, Iran, serving as capital of the province, the county, and the district.
The ...
Ardabil earthquake
History of Ardabil province
February 1997 in Iran
1990s disasters in Iran
1997 disasters in Asia